切换装置 meaning in English

comm communication
shifter

A novel rapid power transfer device for station service
一种新型厂用电源快速切换装置
Development of auto - shifting device of auxiliary fan
矿用局部通风机自动切换装置的研制
The problem in contactor of atse
接触器式双电源自动切换装置存在的问题
Application of double power resources automatic transforming switch equipment
双电源自动切换装置的应用
Vox voice operated switching device
声音控制切换装置

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